Home / 2,116,568.37-2,920,869.87-1,149,690.81

Finding the Fourth Proportional to 2,116,568.37, 2,920,869.87 and 1,149,690.81

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Solution

The fourth proportional to 2,116,568.37, 2,920,869.87 and 1,149,690.81 is: 1,586,576.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,116,568.37 : 2,920,869.87 = 1,149,690.81 : x
  2. Step 2: Convert to fraction form
    2,116,568.37/2,920,869.87 = 1,149,690.81/x
  3. Step 3: Cross multiply
    2,116,568.37x = 2,920,869.87 × 1,149,690.81
  4. Step 4: Simplify right side
    2,116,568.37x = 3,358,097,246,744.90
  5. Step 5: Solve for x
    x = 3,358,097,246,744.90/2,116,568.37
  6. Step 6: Final answer
    x = 1,586,576.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.